mirror of https://github.com/tqdm/tqdm.git
39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
from __future__ import print_function
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from time import sleep
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from tqdm import tqdm, trange
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from multiprocessing import Pool, freeze_support, RLock
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L = list(range(9))
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def progresser(n):
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interval = 0.001 / (len(L) - n + 2)
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total = 5000
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text = "#{}, est. {:<04.2}s".format(n, interval * total)
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# NB: ensure position>0 to prevent printing '\n' on completion.
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# `tqdm` can't autmoate this since this thread
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# may not know about other bars in other threads #477.
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for _ in tqdm(range(total), desc=text, position=n + 1):
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sleep(interval)
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if __name__ == '__main__':
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freeze_support() # for Windows support
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p = Pool(len(L),
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initializer=tqdm.set_lock,
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initargs=(RLock(),))
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p.map(progresser, L)
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print('\n' * len(L))
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# alternatively, on UNIX, just use the default internal lock
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p = Pool(len(L))
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p.map(progresser, L)
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print('\n' * len(L))
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# a manual test demonstrating automatic fix for #477 on one thread
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for _ in trange(10, desc="1", position=1):
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for _ in trange(10, desc="2", position=0):
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sleep(0.01)
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print('\n')
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